The document details the historical evolution of coronary artery bypass graft (CABG) surgery, beginning from ancient medical texts to the modern techniques developed in the 20th century. It highlights key figures and milestones in the understanding and practice of coronary revascularization, leading to the establishment of CABG as a critical intervention in cardiovascular surgery. The ongoing comparative research between CABG and percutaneous coronary intervention (PCI) continues to evolve, with recent studies indicating CABG offers better long-term survival benefits.